Jan William Visser
Insider
First SEC filing: Jan. 2, 2024 · Latest: Jan. 2, 2024
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 17, 2026 | GCT | A | 549 | · | · | 13,445 Direct | +4.26% | Acquired | (price as of 2026-10-05) |
| May 17, 2026 | GCT | A | 790 | · | · | 12,896 Direct | +6.53% | Acquired | (price as of 2026-10-05) |
| Feb. 17, 2026 | GCT | A | 808 | · | · | 12,106 Direct | +7.15% | Acquired | (price as of 2026-10-05) |
| Nov. 17, 2025 | GCT | A | 936 | · | · | 11,298 Direct | +9.03% | Acquired | (price as of 2026-10-05) |
| Aug. 17, 2025 | GCT | A | 883 | · | · | 10,362 Direct | +9.32% | Acquired | (price as of 2026-10-05) |
| May 17, 2025 | GCT | A | 1,509 | · | · | 9,479 Direct | +18.93% | Acquired | (price as of 2026-10-05) |
| Feb. 17, 2025 | GCT | A | 1,392 | · | · | 7,970 Direct | +21.16% | Acquired | (price as of 2026-10-05) |
| Nov. 17, 2024 | GCT | A | 1,366 | · | · | 6,578 Direct | +26.21% | Acquired | (price as of 2026-10-05) |
| Aug. 17, 2024 | GCT | A | 1,116 | · | · | 5,212 Direct | +27.25% | Acquired | (price as of 2026-10-05) |
| May 17, 2024 | GCT | A | 699 | · | · | 4,096 Direct | +20.58% | Acquired | (price as of 2026-10-05) |
| Feb. 17, 2024 | GCT | A | 724 | · | · | 3,397 Direct | +27.09% | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 2, 2024 | GCT | Class A Ordinary Shares, par value $0.05 per share | 2,673 | Direct |